When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?
Correct answer: C. Cofactor
- A. Apoenzyme
- B. Coenzyme
- C. Cofactor
- D. Holoenzyme
Explanation
An inorganic ion that is tightly associated with an enzyme and required for its activity is termed a cofactor. Coenzymes are organic helpers, whereas an apoenzyme lacks its required non-protein component and a holoenzyme is the complete active form.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Enzymes
36 free Enzymes MCQs from Biochemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biochemistry questions like this
Biochemistry is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Enzymes questions
Megnesium is needed for the activity of which enzymes ?
The enzyme phosphofructo kinase-1 is strongly activated by_______________?
LDH has following number oflsoenzymes________________?
Coenzyme, in an enzymatic reaction usually functions to_____________?
The most common enzyme deficiency in man is___________?
The enzyme that splits hydrogen peroxide into water and oxygen is_____________?